osd-contiki/examples/websockets/node/example-server.js

57 lines
1.5 KiB
JavaScript

"use strict";
var serverPort = 8080;
var websocket = require('websocket').server;
var http = require('http');
var server = http.createServer(function(request, response) {
response.writeHead(200, {'Content-Type': 'text/plain'});
response.write('This is a websocket server, not intended for http\n');
response.end();
});
server.listen(serverPort, function() {
console.log('Server is listening on port ' + serverPort);
});
var wsServer = new websocket({
httpServer: server
});
var connections = [];
function broadcastMessage(message) {
for (var i = 0; i < connections.length; i++) {
connections[i].sendUTF(message);
}
}
wsServer.on('request', function(request) {
/* Save the connection */
var connection = request.accept(null, request.origin);
/* Store the connection in the list of connections */
var connectionIndex = connections.push(connection) - 1;
console.log('Connection from ' + connection.remoteAddress + '.');
broadcastMessage('Connection from ' + connection.remoteAddress + '.');
connection.on('message', function(message) {
if (message.type === 'utf8') {
console.log((new Date()) + ' Message received: ' +
message.utf8Data);
broadcastMessage(message.utf8Data);
}
});
// user disconnected
connection.on('close', function(connection) {
console.log((new Date()) + ' Connection lost: ' +
connection.remoteAddress);
connections.splice(connectionIndex, 1);
});
});